<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta http-equiv="X-ua-compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width,initial-scale=1.0">
		<title></title>
		<style>
			body{margin:0;padding:0;}
			body{background-color: #ddd;}
			.wrap{
				margin:0 auto;
				width:650px;
				height:500px;
				background-image:url('main.jpg');
				-webkit-mask-image:
				url('apple.png'),
				url('apple.png'),
				url('apple.png'),
				url('apple.png');
				-webkit-mask-repeat:no-repeat;
				-webkit-mask-position:center;
				-webkit-mask-size:10%;
				animation:mask-scale 2s forwards,mask-move 6s 2s forwards;
			}
			@keyframes mask-scale{
				50%{
					-webkit-mask-size:20%;
				}
			}
			@keyframes mask-move{
				5%{
					-webkit-mask-position:left top,center,center,center;
					-webkit-mask-size:20%,10%,10%,10%;
				}
				10%{
					-webkit-mask-position:left top,right top,center,center;
					-webkit-mask-size:20%,20%,10%,10%;
				}
				15%{
					-webkit-mask-position:left top,right top,left bottom,center;
					-webkit-mask-size:20%,20%,20%,10%;
				}
				20%{
					-webkit-mask-position:left top,right top,left bottom,right bottom;
					-webkit-mask-size:20%;
				}
				60%{
					-webkit-mask-position:left bottom,left top,right bottom,right top;
					-webkit-mask-size:20%;
				}
				80%{
					-webkit-mask-position:center;
					-webkit-mask-size:10%;
				}
				90%{
					-webkit-mask-position:center;
					-webkit-mask-size:20%;
				}
				100%{
					-webkit-mask-position:top,left,right,bottom;
					-webkit-mask-size:40%;
				}
			}
		</style>
	</head>
	<body>
		<div class="wrap">
			
		</div>
	</body>
</html>
